3958706 has 4 divisors (see below), whose sum is σ = 5938062. Its totient is φ = 1979352.

The previous prime is 3958697. The next prime is 3958727. The reversal of 3958706 is 6078593.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3900625 + 58081 = 1975^2 + 241^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3958706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989675 + ... + 989678.

Almost surely, 2^3958706 is an apocalyptic number.

3958706 is a deficient number, since it is larger than the sum of its proper divisors (1979356).

3958706 is a wasteful number, since it uses less digits than its factorization.

3958706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979355.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 3958706 is about 1989.6497179152. The cubic root of 3958706 is about 158.1919634413.

It can be divided in two parts, 3958 and 706, that added together give a palindrome (4664).

The spelling of 3958706 in words is "three million, nine hundred fifty-eight thousand, seven hundred six".